9)
I is more acidic than II
III is more acidic than IV
V is more acidic than VI
9. Considering the hydrogen atoms shown in bold-type indicate, for each of the following pairs, the...
6. (12 pts, 2 pts) Examine the following six pairs of molecules below. For each pair of molecules. indicate/circle which of the pair is the most acidic molecule. Also, indicate which of the rules of comparative acidity (resonance, electronegativity, ion size, hybridization, neutral vs ionic) applies for each pair. For your convenience, the acidic hydrogen atoms have been represented in bold. ин vs. (d) VS. NH, Vs. Bн, (1) PH, VS. SbH
9. Draw all of the possible hydrogen bonds between the following molecule and water molecules. Indicate the hydrogen bonds with dotted lines. :N-CEN: H 10. Polar molecules can contain more than one type of attractive force. Fill in the following table answering the question "Is this attractive force present between molecules of the given compound?" Write yes or no for each force. Molecule Ionic Attraction H-Bond Dipole-Dipole London CHCl3 CH3OH NH2 65- *NH3-C-COO 11. For each of the following pairs...
For each of the following pairs of molecules, indicate the
compound containing the most basic nitrogen atom
For each of the following pairs of molecules, indicate the compound containing the most basic nitrogen atom. NH VS N HN HỌN VS H₂N A с Pair 1: [Select) Pair 2: (Select)
Which molecules shown on the right will form strong hydrogen
bonds with water? Circle the correct ones.
C. B. HH н н HI -6- HH I-0- H-6-SH I-o-I Hc-c- 1. Which molecules shown on the right will form strong hydrogen bonds with water? Circle the correct ones. I-O-I I II 0 H-6-0- --o- -c-c-OH HH
2. 1 (a) Complete the Lewis structure for the molecule shown below. How many lone pairs are there? H H H | Ca=Cb Cc-c-H H H (b) Give the hybridizations of the following atoms in the structure: (i) Ca; (ii) Ch (c) Give approximate values of the following bond an gles: (i) C2-C6-Cc; (ii) H-C2-C) 3. (a) Complete the Lewis structure for the molecule below. How many lone pairs are there? H-Ca-N=Cb-S H (b) For the structure shown, give the...
4. For each of the molecules shown below, circle any atoms that can serve as hydrogen bond donors or acceptors, and label each one "D" for donor or "A" for acceptor. ... н Н H HHHH
Part 1: For each of the following structures, indicate the
integration expected for the signal associated with the indicated
hydrogen(s).
a)
i)
ii)
iii)
iv)
b)
i)
ii)
iii)
c)
i)
ii)
iii)
d)
i)
ii)
iii)
iv)
v)
vi)
e)
i)
ii)
iii)
iv)
f)
i)
ii)
iii)
iv)
v)
vi)
Part 2: For each of the following structures, indicate the
coupling (a.k.a, splitting) pattern expected for the signal
associated with the indicated hydrogen(s) by placing the
appropriate letter(s)...
For each of the following pairs of molecules, indicate the compound containing the most basic nitrogen atom. NH VS N HN vs HON B с D Pair 1: (Select Pair 2: Select)
please explain your answers
11. Indicate whether the pairs of compounds shown below are enantiomers, diastereomers, structural (constitutional) isomers, the same compound, or different compounds which are not isomers. (0.25 pts ea = 1 pt) vs. нон Но н. он он HOCHS HT CH3 C vs. Broh H₃CH НОСН2СНО нон нон H How HOCH CHO н JONH2 NH2 HOC CH2SH HSCHE CO2H
Choose the stronger acid in each of the following pairs. (i) NH4+ and NH3 (ii) H2O and NH3 (iii) HPO42- and H2PO4- (iv) HClO2 and HClO (v) ClCH2CH2COOH and CH3CHClCOOH And provide an explanation and details please.